Enzyme enhanced oil recovery
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United States of America Patent
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Mar 21, 2017
Grant Date -
Mar 27, 2014
app pub date -
May 10, 2012
filing date -
May 10, 2011
priority date (Note) -
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Abstract
A method for enhanced oil recovery in an underground reservoir involving use of system including at least one injection well having an injection pump for establishing an injection stream, the injection pump includes a carrier system and an enzyme system; at least one production well having at least one fluid output; a mixed injection stream through the at least one injection well including a first injection stream having a flow rate S1 produced by the carrier system and a second injection stream having a flow rate S2 produced by the enzyme system; a concentration of enzyme Cen,3 in the mixed injection stream established using the formula
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